Active culture of a reference strain plus three vials with a protective solution for the user to prepare a back up batch set which must be storage at -20 °C ( or at 4°C when this is explicitly indicated in the instructions that arrived with the parcel).
Main characteristics: Available for almost all strains of the catalogue. Ordinary delivery date less than 15 days except for the filamentous fungi (could be up to a 1 month). The active culture must be used within 15 days after delivery except for filamentous fungi (might be preserved up to 30 days).
This format is not supplied outside Europe.